zuijin,bushaozhongzhixihuludecainongfanyingshuo,pengneizhongzhidexihuluhuaguaxianxiangyanzhong,chanliangjiaodi。nameshenmeyuanyinkenengdaozhixihuluchuxianhuaguane?bizhefenxi,zhezhuyaoyousangeyuanyin。
第(di)一(yi),花(hua)芽(ya)分(fen)化(hua)或(huo)授(shou)粉(fen)不(bu)良(liang),導(dao)致(zhi)子(zi)房(fang)內(nei)不(bu)能(neng)生(sheng)成(cheng)植(zhi)物(wu)生(sheng)長(chang)素(su),從(cong)而(er)致(zhi)使(shi)西(xi)葫(hu)蘆(lu)化(hua)瓜(gua)。針(zhen)對(dui)這(zhe)種(zhong)情(qing)況(kuang)可(ke)以(yi)采(cai)用(yong)抹(mo)瓜(gua)的(de)手(shou)段(duan),為(wei)果(guo)實(shi)補(bu)充(chong)生(sheng)長(chang)素(su),促(cu)進(jin)坐(zuo)瓜(gua),防(fang)止(zhi)化(hua)瓜(gua)。
第二,溫度過高導致化瓜。當棚內白天溫度超過35℃,夜間高於20℃,就會導致植株徒長,使得營養生長旺盛而生殖生長不良而化瓜。所以菜農在平時管理時,棚內白天溫度應控製在20-23℃,晚上將溫度控製在13-15℃,以防棚內溫度過高,植株旺長而化瓜。
disan,zaizhimiduda,zhizhuyubi,daozhihuagua。zhizhudingzhimiduda,zhizhudetongfengtouguangxingcha,youqishizaiguoshishoufenhou,ruguojianguangbuzu,yepianzhizaodeyingyangwuzhibuzujiurongyidaozhixihuluhuagua。suoyicainongzaidingzhishi,yidingyaozhuyidingzhimidu,bingqiejishijiangzhizhudibudelaoyeshuchu,zengdazhizhudetongfengjianguangdu,fangzhihuagua。
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